Bonhams 1793 : A rubellite tourmaline and diamond ring

Set with an oval-cut rubellite tourmaline, to the gallery and full hoop pavé-set with round brilliant-cut diamonds, mounted in platinum, the rubellite tourmaline estimated to weigh approximately 10.00 carats, the diamonds estimated to weigh approximately 2.20 carats in total, ring size 7¼

Estimate:

HK$ 80,000 - 100,000
US$ 10,000 - 13,000
£6,600 - 8,200